Question

представьте в виде многочленов срочно
(1/3m+1/2n)^3
(2x-1/2y)^3

Answer 1

(1/3m+1/2n)^3=1/27m^3+1/6m^2*n+1/4mn^2+1/8n^3
(2x-1/2y)^3=8x^3-6x^2*y+3/2*xy^2-1/8y^2